Post an Auto-scan of the car with a real ross Tech interface and you'll probably get some help. Otherwise it's just a bunch of wild-guessing by a bunch of people who really can't even begin to help....

I have a friend who has a set of 5x112 8.5x18" USP / Rs6 reps with Continentals mounted. I think He'd take $4215 for them?
Tires are probably 50-70% too. In wenatchee-- 18 miles east of Leavenwroth....